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[PMID]:28676575
[Au] Autor:Skyberg R; Sun C; Hill DL
[Ad] Endereço:Department of Psychology, University of Virginia, Charlottesville, Virginia 22904-4400.
[Ti] Título:Maintenance of Mouse Gustatory Terminal Field Organization Is Disrupted following Selective Removal of Peripheral Sodium Salt Taste Activity at Adulthood.
[So] Source:J Neurosci;37(32):7619-7630, 2017 Aug 09.
[Is] ISSN:1529-2401
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Neural activity plays a critical role in the development of central circuits in sensory systems. However, the maintenance of these circuits at adulthood is usually not dependent on sensory-elicited neural activity. Recent work in the mouse gustatory system showed that selectively deleting the primary transduction channel for sodium taste, the epithelial sodium channel (ENaC), throughout development dramatically impacted the organization of the central terminal fields of three nerves that carry taste information to the nucleus of the solitary tract. More specifically, deleting ENaCs during development prevented the normal maturation of the fields. The present study was designed to extend these findings by testing the hypothesis that the loss of sodium taste activity impacts the maintenance of the normal adult terminal field organization in male and female mice. To do this, we used an inducible Cre-dependent genetic recombination strategy to delete ENaC function after terminal field maturation occurred. We found that removal of sodium taste neural activity at adulthood resulted in significant reorganization of mature gustatory afferent terminal fields in the nucleus of the solitary tract. Specifically, the chorda tympani and greater superficial petrosal nerve terminal fields were 1.4× and 1.6× larger than age-matched controls, respectively. By contrast, the glossopharyngeal nerve, which is not highly sensitive to sodium taste stimulation, did not undergo terminal field reorganization. These surprising results suggest that gustatory nerve terminal fields remain plastic well into adulthood, which likely impacts central coding of taste information and taste-related behaviors with altered taste experience. Neural activity plays a major role in the development of sensory circuits in the mammalian brain. However, the importance of sensory-driven activity in maintaining these circuits at adulthood, especially in subcortical structures, appears to be much less. Here, we tested whether the loss of sodium taste activity in adult mice impacts the maintenance of how taste nerves project to the first central relay. We found that specific loss of sodium-elicited taste activity at adulthood produced dramatic and selective reorganization of terminal fields in the brainstem. This demonstrates, for the first time, that taste-elicited activity is necessary for the normal maintenance of central gustatory circuits at adulthood and highlights a level of plasticity not seen in other sensory system subcortical circuits.
[Mh] Termos MeSH primário: Bulbo/fisiologia
Sódio na Dieta/administração & dosagem
Papilas Gustativas/fisiologia
Percepção Gustatória/fisiologia
Paladar/fisiologia
[Mh] Termos MeSH secundário: Fatores Etários
Animais
Feminino
Nervo Glossofaríngeo/efeitos dos fármacos
Nervo Glossofaríngeo/fisiologia
Nervo Hipoglosso/efeitos dos fármacos
Nervo Hipoglosso/fisiologia
Masculino
Bulbo/efeitos dos fármacos
Camundongos
Camundongos Knockout
Camundongos Transgênicos
Terminações Pré-Sinápticas/efeitos dos fármacos
Terminações Pré-Sinápticas/fisiologia
Papilas Gustativas/efeitos dos fármacos
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Sodium, Dietary)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:171004
[Lr] Data última revisão:
171004
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170706
[St] Status:MEDLINE
[do] DOI:10.1523/JNEUROSCI.3838-16.2017


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[PMID]:28239529
[Au] Autor:Mitsuoka K; Kikutani T; Sato I
[Ad] Endereço:Department of AnatomyThe Nippon Dental University School of Life Dentistry at TokyoTokyoJapan; Division of Clinical Oral RehabilitationThe Nippon Dental University Graduate School of Life DentistryTokyoJapan.
[Ti] Título:Morphological relationship between the superior cervical ganglion and cervical nerves in Japanese cadaver donors.
[So] Source:Brain Behav;7(2):e00619, 2017 Feb.
[Is] ISSN:2162-3279
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:INTRODUCTION: There are various communications between the superior cervical ganglion (SCG) and the vagus and glossopharyngeal nerves. However, little information exists concerning the origin of these sympathetic ganglion branches at the superior, middle, and inferior regions of the human SCG. The aim of this study was to describe the human SCG in a morphometric manner with the communication with cranial and cervical nerves and supply. METHODS: This study characterized 72 SCG samples from 54 elderly Japanese human cadavers (30 males, 24 females; 65-100 years old). The SCG size (length, width, and thickness) and location were measured from the jugular foramen. We also defined the communication branches of the SCG to the vagus, glossopharyngeal, cervical, and accessory nerves at three regions (superior, middle, and inferior regions) of the SCG. Finally, we examined the arrangement and origin of the branch communications in detail and confirmed our observations, using histological sections of the SCG. RESULTS: The SCG in all cadaver donors was detected at the C2 and C3 vertebra levels. The number of SCG branches supplied the communicating branches, such as the carotid branch, communicating branch of the vagus nerve, and glossopharyngeal nerve, were frequently detected in the superior region of the SCG (χ = 587.72, df = 26, < .001). The number of ganglion cells with a large number of neurons per unit area (1 mm ) was most often found in the middle region with shrunken neurons of the SCG compared with other regions. CONCLUSION: The communication branches of the SCG are mainly connected to the vagus and glossopharyngeal nerves. Characterizing these branches can provide useful data for head and neck ganglion block and surgical treatments.
[Mh] Termos MeSH primário: Artérias Carótidas/inervação
Nervo Glossofaríngeo/patologia
Gânglio Cervical Superior/patologia
Nervo Vago/patologia
[Mh] Termos MeSH secundário: Idoso
Idoso de 80 Anos ou mais
Cadáver
Feminino
Seres Humanos
Japão
Masculino
Meia-Idade
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171030
[Lr] Data última revisão:
171030
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170228
[St] Status:MEDLINE
[do] DOI:10.1002/brb3.619


  3 / 1790 MEDLINE  
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[PMID]:28173896
[Au] Autor:Mulazimoglu S; Flury R; Kapila S; Linder T
[Ad] Endereço:Department of Otorhinolaryngology,Head and Neck Surgery,Luzerner Kantonsspital,Luzern,Switzerland.
[Ti] Título:Effects of a sensory branch to the posterior external ear canal: coughing, pain, Ramsay Hunt's syndrome and Hitselberger's sign.
[So] Source:J Laryngol Otol;131(4):329-333, 2017 Apr.
[Is] ISSN:1748-5460
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: A distinct nerve innervating the external auditory canal can often be identified in close relation to the facial nerve when gradually thinning the posterior canal wall. This nerve has been attributed to coughing during cerumen removal, neuralgic pain, Hitselberger's sign and vesicular eruptions described in Ramsay Hunt's syndrome. This study aimed to demonstrate the origin and clinical impact of this nerve. METHODS AND RESULTS: In patients with intractable otalgia or severe coughing whilst inserting a hearing aid, who responded temporarily to local anaesthesia, the symptoms could be resolved by sectioning a sensory branch to the posterior canal. In a temporal bone specimen, it was revealed that this nerve is predominantly a continuation of Arnold's nerve, also receiving fibres from the glossopharyngeal nerve and facial nerve. Histologically, the communicating branch from the facial nerve was confirmed. CONCLUSION: Surgeons should be aware of the posterior auricular sensory branch and its clinical implications.
[Mh] Termos MeSH primário: Tosse/fisiopatologia
Meato Acústico Externo/inervação
Dor de Orelha/fisiopatologia
Herpes Zoster da Orelha Externa/fisiopatologia
Neuralgia/fisiopatologia
[Mh] Termos MeSH secundário: Idoso
Tosse/etiologia
Tosse/cirurgia
Pavilhão Auricular/inervação
Pavilhão Auricular/cirurgia
Meato Acústico Externo/cirurgia
Dor de Orelha/etiologia
Dor de Orelha/cirurgia
Nervo Facial/fisiopatologia
Nervo Facial/cirurgia
Feminino
Nervo Glossofaríngeo/fisiopatologia
Nervo Glossofaríngeo/cirurgia
Herpes Zoster da Orelha Externa/complicações
Herpes Zoster da Orelha Externa/cirurgia
Seres Humanos
Masculino
Meia-Idade
Neuralgia/etiologia
Neuralgia/cirurgia
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Em] Mês de entrada:1703
[Cu] Atualização por classe:170321
[Lr] Data última revisão:
170321
[Sb] Subgrupo de revista:AIM; IM
[Da] Data de entrada para processamento:170209
[St] Status:MEDLINE
[do] DOI:10.1017/S0022215117000160


  4 / 1790 MEDLINE  
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[PMID]:28100747
[Au] Autor:Sun C; Hummler E; Hill DL
[Ad] Endereço:Department of Psychology, University of Virginia, Charlottesville, Virginia 22904-4400, and.
[Ti] Título:Selective Deletion of Sodium Salt Taste during Development Leads to Expanded Terminal Fields of Gustatory Nerves in the Adult Mouse Nucleus of the Solitary Tract.
[So] Source:J Neurosci;37(3):660-672, 2017 Jan 18.
[Is] ISSN:1529-2401
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Neuronal activity plays a key role in the development of sensory circuits in the mammalian brain. In the gustatory system, experimental manipulations now exist, through genetic manipulations of specific taste transduction processes, to examine how specific taste qualities (i.e., basic tastes) impact the functional and structural development of gustatory circuits. Here, we used a mouse knock-out model in which the transduction component used to discriminate sodium salts from other taste stimuli was deleted in taste bud cells throughout development. We used this model to test the hypothesis that the lack of activity elicited by sodium salt taste impacts the terminal field organization of nerves that carry taste information from taste buds to the nucleus of the solitary tract (NST) in the medulla. The glossopharyngeal, chorda tympani, and greater superficial petrosal nerves were labeled to examine their terminal fields in adult control mice and in adult mice in which the α-subunit of the epithelial sodium channel was conditionally deleted in taste buds (αENaC knockout). The terminal fields of all three nerves in the NST were up to 2.7 times greater in αENaC knock-out mice compared with the respective field volumes in control mice. The shapes of the fields were similar between the two groups; however, the density and spread of labels were greater in αENaC knock-out mice. Overall, our results show that disruption of the afferent taste signal to sodium salts disrupts the normal age-dependent "pruning" of all terminal fields, which could lead to alterations in sensory coding and taste-related behaviors. SIGNIFICANCE STATEMENT: Neural activity plays a major role in the development of sensory circuits in the mammalian brain. To date, there has been no direct test of whether taste-elicited neural activity has a role in shaping central gustatory circuits. However, recently developed genetic tools now allow an assessment of how specific taste stimuli, in this case sodium salt taste, play a role in the maturation of the terminal fields in the mouse brainstem. We found that the specific deletion of sodium salt taste during development produced terminal fields in adults that were dramatically larger than in control mice, demonstrating for the first time that sodium salt taste-elicited activity is necessary for the normal maturation of gustatory inputs into the brain.
[Mh] Termos MeSH primário: Nervo da Corda do Tímpano/crescimento & desenvolvimento
Nervo Glossofaríngeo/crescimento & desenvolvimento
Cloreto de Sódio/administração & dosagem
Núcleo Solitário/crescimento & desenvolvimento
Percepção Gustatória/fisiologia
Paladar/fisiologia
[Mh] Termos MeSH secundário: Animais
Nervo da Corda do Tímpano/citologia
Nervo da Corda do Tímpano/efeitos dos fármacos
Feminino
Nervo Glossofaríngeo/citologia
Nervo Glossofaríngeo/efeitos dos fármacos
Masculino
Camundongos
Camundongos Knockout
Núcleo Solitário/citologia
Núcleo Solitário/efeitos dos fármacos
Papilas Gustativas/efeitos dos fármacos
Papilas Gustativas/fisiologia
Percepção Gustatória/efeitos dos fármacos
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
451W47IQ8X (Sodium Chloride)
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170801
[Lr] Data última revisão:
170801
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170120
[St] Status:MEDLINE
[do] DOI:10.1523/JNEUROSCI.2913-16.2016


  5 / 1790 MEDLINE  
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[PMID]:28045639
[Au] Autor:Hill CA; Dang S; Beach M; Chen EY
[Ad] Endereço:1 Dartmouth Hitchcock Medical Center, Otolaryngology, Lebanon, New Hampshire, USA.
[Ti] Título:A Retrospective Cohort Study of Glossopharyngeal Nerve Taste in Children with Recurrent Acute Tonsillitis.
[So] Source:Otolaryngol Head Neck Surg;156(1):189-193, 2017 Jan.
[Is] ISSN:1097-6817
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Objective To compare glossopharyngeal taste between healthy children and those with recurrent acute tonsillitis. Study Design Retrospective cohort study. Setting Pediatric clinics in a tertiary care medical center and satellite location. Subjects and Methods Smell and taste testing was administered to 80 well children and 64 children with recurrent acute tonsillitis (age range, 6-17 years). Smell testing was performed with the NIH Toolbox Odor Identification Test, with scores based on national averages for age and sex. Validated Taste Strips were placed on the midline of the tongue at the circumvallate papillae in random tastant order and in increasing concentrations to test sweet, salty, sour, and bitter. Ordinal logistic regression was used for multivariate analysis. Results The healthy and tonsillitis groups were similar, with mean ages of 11.3 and 10.8 years ( P = .34), respectively. The tonsillitis group had fewer boys (n = 18 vs 43, P = .002), higher mean body mass index (BMI) percentile (n = 72.2 vs 59.8, P = .01), and more subjects with public or no insurance (n = 24 vs 13, P = .004). Univariate analysis revealed no statistically significant differences in rate of normal overall taste (67.2% vs 60%, P = .39) and in sweet (79.7% vs 82.5%, P = .67), salty (85.9% vs 82.8%, P = .82), sour (64.1% vs 70%, P = .48), and bitter (90.6% vs 86.3%, P = .45). In multivariate analysis, smell ability, sex, BMI percentile, parent BMI, and insurance type did not affect overall taste or sweet, salty, sour, or bitter alone. Conclusion Despite controlling for potential intrinsic (sex, smell, BMI) and extrinsic (parent BMI, insurance type) confounders, there was no statistically significant difference in taste among children with recurrent acute tonsillitis as compared with healthy children.
[Mh] Termos MeSH primário: Nervo Glossofaríngeo/fisiopatologia
Percepção Gustatória/fisiologia
Tonsilite/fisiopatologia
[Mh] Termos MeSH secundário: Doença Aguda
Adolescente
Índice de Massa Corporal
Estudos de Casos e Controles
Criança
Feminino
Seres Humanos
Masculino
Recidiva
Tonsilite/complicações
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1707
[Cu] Atualização por classe:170727
[Lr] Data última revisão:
170727
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170104
[St] Status:MEDLINE
[do] DOI:10.1177/0194599816674662


  6 / 1790 MEDLINE  
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[PMID]:27485529
[Au] Autor:Kullmann M; Tatagiba M; Liebsch M; Feigl GC
[Ad] Endereço:Department of Neurosurgery, Eberhard-Karls University, Tuebingen, Germany. Electronic address: marcel.kullmann@med.uni-tuebingen.de.
[Ti] Título:Evaluation of the Predictive Value of Intraoperative Changes in Motor-Evoked Potentials of Caudal Cranial Nerves for the Postoperative Functional Outcome.
[So] Source:World Neurosurg;95:329-334, 2016 Nov.
[Is] ISSN:1878-8769
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:OBJECTIVE: The predictive value of changes in intraoperatively acquired motor-evoked potentials (MEPs) of the lower cranial nerves (LCN) IX-X (glossopharyngeal-vagus nerve) and CN XII (hypoglossal nerve) on operative outcomes was investigated. METHODS: MEPs of CN IX-X and CN XII were recorded intraoperatively in 63 patients undergoing surgery of the posterior cranial fossa. We correlated the changes of the MEPs with postoperative nerve function. RESULTS: For CN IX-X, we found a correlation between the amplitude of the MEP ratio and uvula deviation (P = 0.028) and the amplitude duration of the MEP and gag reflex function (P = 0.027). Patients with an MEP ratio of the glossopharyngeal-vagus amplitude ≤1.47 µV had a 3.4 times increased risk of developing a uvula deviation. Patients with a final MEP duration of the CN IX-X ≤11.6 milliseconds had a 3.6 times increased risk for their gag reflex to become extinct. CONCLUSIONS: Our study greatly contributes to the current knowledge of intraoperative MEPs as a predictor for postoperative cranial nerve function. We were able to extent previous findings on MEP values of the facial nerve on postoperative nerve function to 3 additional cranial nerves. Finding reliable predictors for postoperative nerve function is of great importance to the overall quality of life for a patient undergoing surgery of the posterior cranial fossa.
[Mh] Termos MeSH primário: Nervos Cranianos/fisiologia
Potencial Evocado Motor/fisiologia
Monitorização Intraoperatória/métodos
Complicações Pós-Operatórias/diagnóstico
[Mh] Termos MeSH secundário: Adulto
Feminino
Nervo Glossofaríngeo/fisiologia
Seres Humanos
Nervo Hipoglosso/fisiologia
Masculino
Meia-Idade
Complicações Pós-Operatórias/fisiopatologia
Valor Preditivo dos Testes
Resultado do Tratamento
Nervo Vago/fisiologia
[Pt] Tipo de publicação:EVALUATION STUDIES; JOURNAL ARTICLE
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170911
[Lr] Data última revisão:
170911
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160804
[St] Status:MEDLINE


  7 / 1790 MEDLINE  
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[PMID]:27312369
[Au] Autor:Wang C; Kundaria S; Fernandez-Miranda J; Duvvuri U
[Ad] Endereço:Department of Otolaryngology Head and Neck Surgery, China-Japan Friendship Hospital, Chaoyang District, Beijing.
[Ti] Título:A description of the anatomy of the glossopharyngeal nerve as encountered in transoral surgery.
[So] Source:Laryngoscope;126(9):2010-5, 2016 09.
[Is] ISSN:1531-4995
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:OBJECTIVES/HYPOTHESIS: To illustrate detailed anatomy of the extracranial portion of the glossopharyngeal nerve in the parapharyngeal space as encountered during transoral surgery. STUDY DESIGN: Prospective cadaveric dissection. All dissections were performed transorally and confirmed with transcervical dissection. METHODS: Eight color-injected cadaveric heads (16 sides) were dissected to demonstrate the course and anatomy of the glossopharyngeal nerve. Conventional external dissections were performed to verify our anatomic measurements. Anatomical measurements of the glossopharyngeal nerve, including segments, branches in each segment, relationship with stylopharyngeus muscle, internal carotid artery, and pharyngeal branch of Vagus were recorded and analyzed. RESULTS: The glossopharyngeal nerve was separated into three segments according to the relationship with the stylopharyngeus muscle. Total lengths of the glossopharyngeal nerve are 32.6 ± 3.1 (left side) and 30.6 ± 3.7 (right side) mm, respectively. The average number of branches in the upper, middle, and lower segments is 3 (range 1-3), 4 (range 2-4), and 3 (range 1-3), respectively. The total number of branches is 8 (range 6-9). The average diameter of the main trunk of the glossopharyngeal nerve is 1.2 ± 0.3 mm, and the average diameter of the lingual branch of the glossopharyngeal nerve is approximately 0.6 ± 0.2 mm. In 75% of cases, pharyngeal branch of Vagus crosses the glossopharyngeal nerve, whereas in 25% of cases it parallels the course of the glossopharyngeal nerve to form the pharyngeal nerve plexus to innervate the pharyngeal wall. CONCLUSION: Understanding the precise and detailed anatomy of the glossopharyngeal nerve in the parapharyngeal space is important in transoral surgery for indications such as transoral robotic surgery or transoral laser microsurgery tumor resection, lingual tonsillectomy, glossopharyngeal neuralgia, glossopharyngeal nerve block, and internal carotid artery dissection. LEVEL OF EVIDENCE: N/A. Laryngoscope, 126:2010-2015, 2016.
[Mh] Termos MeSH primário: Nervo Glossofaríngeo/anatomia & histologia
[Mh] Termos MeSH secundário: Cadáver
Seres Humanos
Boca
Faringe
Estudos Prospectivos
Procedimentos Cirúrgicos Operatórios/métodos
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T; RESEARCH SUPPORT, U.S. GOV'T, NON-P.H.S.
[Em] Mês de entrada:1708
[Cu] Atualização por classe:171124
[Lr] Data última revisão:
171124
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160618
[St] Status:MEDLINE
[do] DOI:10.1002/lary.25706


  8 / 1790 MEDLINE  
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[PMID]:27276778
[Au] Autor:Pintaric TS
[Ti] Título:UPPER AIRWAY BLOCKS FOR AWAKE DIFFICULT AIRWAY MANAGEMENT.
[So] Source:Acta Clin Croat;55 Suppl 1:85-9, 2016 Mar.
[Is] ISSN:0353-9466
[Cp] País de publicação:Croatia
[La] Idioma:eng
[Ab] Resumo:Airway anesthesia is pivotal for successful awake intubation provided either topically or by blocks. Airway blocks are considered technically more difficult to perform and carry a higher risk of complications. However, in experienced hands, they can be useful as they provide excellent intubating conditions. For complete upper airway anesthesia, bilateral glossopharyngeal and superior laryngeal nerve blocks with translaryngeal injection are required. Superior laryngeal nerve block and translaryngeal injection can be performed easily, safely and with a high success rate in patients with normal anatomy. In those with difficult landmarks, ultrasound can be of assistance. For the superior laryngeal nerve block, other targets than the nerve itself must be established to make the technique consistently successful, easy to teach, learn and perform. The same applies to the translaryngeal injection, where the use of ultrasound is necessary for correct midline identification. Intraoral glossopharyngeal nerve block is also safe and easy to perform, but associated with long lasting discomfort. Bilateral extraoral peristyloid approach should be discouraged since inadvertent blocks of the closely adjacent vagus nerve cannot be prevented in this location. A safe and easy method of blocking the distal portions of the glossopharyngeal nerve for awake intubation is therefore required.
[Mh] Termos MeSH primário: Anestesia Local/métodos
Nervo Glossofaríngeo
Intubação Intratraqueal/métodos
Nervos Laríngeos
Bloqueio Nervoso/métodos
[Mh] Termos MeSH secundário: Manuseio das Vias Aéreas/métodos
Nervo Glossofaríngeo/diagnóstico por imagem
Seres Humanos
Nervos Laríngeos/diagnóstico por imagem
Ultrassonografia
[Pt] Tipo de publicação:JOURNAL ARTICLE; REVIEW
[Em] Mês de entrada:1607
[Cu] Atualização por classe:161126
[Lr] Data última revisão:
161126
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160610
[St] Status:MEDLINE


  9 / 1790 MEDLINE  
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[PMID]:27199282
[Au] Autor:Zhang S; Cui H; Wang L; Kang L; Huang G; Du J; Li S; Tanaka H; Su Y
[Ad] Endereço:Department of Hand and Foot Surgery, The Third Hospital of Shijiazhuang City, Shijiazhuang, People's Republic of China (SZ)
[Ti] Título:Potential Involvement of Draxin in the Axonal Projection of Cranial Nerves, Especially Cranial Nerve X, in the Chick Hindbrain.
[So] Source:J Histochem Cytochem;64(7):412-24, 2016 07.
[Is] ISSN:1551-5044
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:The appropriate projection of axons within the nervous system is a crucial component of the establishment of neural circuitry. Draxin is a repulsive axon guidance protein. Draxin has important functions in the guidance of three commissures in the central nervous system and in the migration of neural crest cells and dI3 interneurons in the chick spinal cord. Here, we report that the distribution of the draxin protein and the location of 23C10-positive areas have a strong temporal and spatial correlation. The overexpression of draxin, especially transmembrane draxin, caused 23C10-positive axon bundles to misproject in the dorsal hindbrain. In addition, the overexpression of transmembrane draxin caused abnormal formation of the ganglion crest of the IX and X cranial nerves, misprojection of some anti-human natural killer-1 (HNK-1)-stained structures in the dorsal roof of the hindbrain, and a simultaneous reduction in the efferent nerves of some motoneuron axons inside the hindbrain. Our data reveal that draxin might be involved in the fascicular projection of cranial nerves in the hindbrain.
[Mh] Termos MeSH primário: Axônios/fisiologia
Nervos Cranianos/fisiologia
Proteínas do Tecido Nervoso/fisiologia
Rombencéfalo/fisiologia
[Mh] Termos MeSH secundário: Animais
Embrião de Galinha
Vias Eferentes/fisiologia
Nervo Glossofaríngeo/fisiologia
Neurônios Motores/fisiologia
Crista Neural/fisiologia
Crista Neural/ultraestrutura
Nervo Vago/fisiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Nerve Tissue Proteins)
[Em] Mês de entrada:1705
[Cu] Atualização por classe:170904
[Lr] Data última revisão:
170904
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160521
[St] Status:MEDLINE
[do] DOI:10.1369/0022155416646538


  10 / 1790 MEDLINE  
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[PMID]:27102416
[Au] Autor:Burfield L; Ahmad F; Adams J
[Ad] Endereço:Queen Elizabeth University Hospital, Glasgow, UK.
[Ti] Título:Glossopharyngeal neuralgia associated with cardiac syncope.
[So] Source:BMJ Case Rep;2016, 2016 Apr 21.
[Is] ISSN:1757-790X
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Glossopharyngeal neuralgia is a rare pain syndrome presenting with paroxysms of pain in the region of the glossopharyngeal nerve. Even more uncommon is the association between glossopharyngeal neuralgia and cardiac syncope. In these patients, the cardiovascular consequences may include bradycardia, hypotension and cardiac arrest. We describe the case of a 40-year-old patient who presented with this rare association of glossopharyngeal neuralgia and syncope. Multiple pauses including one lasting 14 s were noted on ambulatory ECG monitoring. In this case, the patient declined pharmacological treatment with carbamazepine or with permanent pacing and so far has been in remission from symptoms for 3 months.
[Mh] Termos MeSH primário: Doenças do Nervo Glossofaríngeo/diagnóstico
Nervo Glossofaríngeo/patologia
Síncope/diagnóstico
[Mh] Termos MeSH secundário: Adulto
Bradicardia/etiologia
Doenças do Nervo Glossofaríngeo/complicações
Parada Cardíaca/etiologia
Seres Humanos
Hipotensão/etiologia
Masculino
Neuralgia
Remissão Espontânea
Síncope/etiologia
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Em] Mês de entrada:1701
[Cu] Atualização por classe:170110
[Lr] Data última revisão:
170110
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160423
[St] Status:MEDLINE



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